Trevor Kelley was drafted in the 36th round of the 2015 MLB draft. Due to that, he’s not the most talked about Boston Red Sox prospect. In fact, the relief pitcher is surrounded by very little hype. With the way he’s pitching this year though, that could all change.

Trevor Kelley started 2017 in Advanced-A – with the Salem Red Sox.

There, the right-hander appeared in 22 games, throwing 33 2/3 innings. He was 1-0 and 7-for-7 in save opportunities. Meanwhile, Kelley had a 1.34 earned run average and 0.92 walks plus hits per inning pitched (WHIP). Opponents hit .198 against Kelley, and he struck out 32 while walking just eight.

Due to the dominant start to his year, Kelley was promoted to Double-A.

With the Portland Sea Dogs, his numbers aren’t as pretty. In 10 games, the 23-year-old has thrown 15 2/3 innings. He’s 0-1 with a 4.60 ERA and 1.53 WHIP, while opponents are hitting .297 against him. Finally, Kelley has eight strikeouts compared to five walks.

A closer look shows you the numbers aren’t all that they appear though. Kelley has allowed eight runs over 10 Double-A appearances. Six of them came in a three-game-span.

Kelley allowed six runs over four innings from July 19 to July 27. Before that stretch, he had allowed one run over five innings. After the stretch, the University of North Carolina product allowed just one run again, this time over 6 2/3 innings.

What this tells you is that the high numbers could just be a product of that small stretch of games. Something you could easily chalk up to an adjustment period.

Meanwhile, his overall stats on the season are still first-class. Kelley has a combined ERA of 2.37 and a WHIP of 1.11 with a strong 40-to-13 K/BB ratio.

Trevor Kelley isn’t the Red Sox most exciting relief prospect. His fastball isn’t going to break radar guns, and he doesn’t have a lot of pitches to work with. At the same time, an “adjustment” period in Double-A isn’t going to get any fans super jacked up.

The growth Kelley’s shown in a short time with the Sea Dogs is extremely encouraging though. It’s a development that bodes well for his future, and one that should start to peak the interest of Red Sox fans.

Hunter Noll is a Staff Writer for Outside Pitch MLB. Follow him on Twitter

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